Instead of brightening your PowerPoint background image, you can darken it and use a light font. A semi-transparent rectangle works better for this than the PowerPoint picture correction options. Go toInsert>Shapesto draw a rectangle. Right-click the rectangle and open theFormat Shapepane. Select...
Sometimes the key detail in the image may not be noticeable to the audience or many times, we want the audience to focus on a particular portion of the picture rather than the entire picture. An easy way to do that is to blur or darken all of the pictures except for the part...
Now let’s check out how to highlight an area on a slide, or rather, how to darken the entire slide except a certain area of it. This trick helps focus the learner’s attention on a specific area of the slide. UseInsert→Shapesto draw a rectangle on top of the background image. R...